Celebrate the rapier-like wit of the royal rebel, the late, great Princess Margaret - or 'Ducky' as she was known behind closed doors.Even as a child, Princess Margaret - younger sister of Elizabeth - was noted for her theatrical and witty demeanour. Her nanny, 'Crawfie' described her as a 'born comic' and her sister, now Queen Elizabeth II, remarked that parties were always better with Margaret in attendance as she made everyone laugh. She made John Lennon blush and Pablo Picasso was infatuated with her - and she made no secret of her intolerance for the dim-witted, the disobedient or the boring - and her one-liners are legendary: On considering that Elizabeth would one day be Queen, Margaret's response was one of sincere commiseration, 'Poor you', she told her.Attending a high-society party in New York, the hostess asked politely how was the Queen? 'Which one?' Margaret replied coolly, 'My sister, my mother, or my husband?'